modifying pattern methods to throw exceptions

[blast.git] / FunctionalBlock.cpp

diff --git a/FunctionalBlock.cpp b/FunctionalBlock.cpp
index 5731794da37211ed6872f1b7c88ca3c703e74a79..e7239e09c01e8bf999f1665e96ae78d3488ae476 100644 (file)
--- a/FunctionalBlock.cpp
+++ b/FunctionalBlock.cpp
@@ -5,6 +5,7 @@
 #include "FunctionalInterface.h"\r
 #include "ReferenceInterface.h"\r
 #include "BlockParameter.h"\r
 #include "FunctionalInterface.h"\r
 #include "ReferenceInterface.h"\r
 #include "BlockParameter.h"\r

+#include "ArithmeticEvaluator.h"\r

 \r
 \r
 FunctionalBlock::FunctionalBlock(GroupBlock *_parent, ReferenceBlock *_reference) throw(Exception) :  AbstractBlock() {\r
 \r
 \r
 FunctionalBlock::FunctionalBlock(GroupBlock *_parent, ReferenceBlock *_reference) throw(Exception) :  AbstractBlock() {\r


@@ -13,12 +14,7 @@ FunctionalBlock::FunctionalBlock(GroupBlock *_parent, ReferenceBlock *_reference
   reference = _reference;\r
   parent = _parent;\r
   name = reference->getName();\r
   reference = _reference;\r
   parent = _parent;\r
   name = reference->getName();\r

-  consumptionPattern = NULL;\r
-  lengthCP = 0;\r
-  nbConsumingPorts = 0;\r
-  productionPattern = NULL;\r
-  lengthPP = 0;\r
-  nbProducingPorts = 0;\r
+\r

   if (reference->getImplementations().isEmpty()) {\r
     implementation = NULL;\r
     cout << "block has no implementation" << endl;\r
   if (reference->getImplementations().isEmpty()) {\r
     implementation = NULL;\r
     cout << "block has no implementation" << endl;\r


@@ -26,8 +22,18 @@ FunctionalBlock::FunctionalBlock(GroupBlock *_parent, ReferenceBlock *_reference
   else {\r
     implementation = reference->getImplementations().at(0);\r
   }\r
   else {\r
     implementation = reference->getImplementations().at(0);\r
   }\r

+  lengthAP = -1;\r
+  lengthCP = -1;\r
+  lengthIP = -1;\r
+  lengthOP = -1;\r
+  lengthPP = -1;\r
+  delta = -1;\r
+  evaluator = NULL;\r

 }\r
 \r
 }\r
 \r

+FunctionalBlock::~FunctionalBlock() {\r
+  if (evaluator != NULL) delete evaluator;\r
+}\r

 \r
 void FunctionalBlock::parametersValidation(QList<AbstractBlock*>* checkedBlocks, QList<AbstractBlock *> *blocksToConfigure) {\r
   /*\r
 \r
 void FunctionalBlock::parametersValidation(QList<AbstractBlock*>* checkedBlocks, QList<AbstractBlock *> *blocksToConfigure) {\r
   /*\r


@@ -113,135 +119,547 @@ QString FunctionalBlock::getReferenceHashMd5() {
     return ((ReferenceBlock *)reference)->getHashMd5();\r
 }\r
 \r
     return ((ReferenceBlock *)reference)->getHashMd5();\r
 }\r
 \r

-bool FunctionalBlock::createPatterns() {\r
-  evaluator = new ArithmeticEvaluator();\r
-  bool ok = true;\r
-  ok = ok & createDelta();\r
-  if (ok) ok = ok & createConsumptionPattern();\r
-  if (ok) ok = ok & createProductionCounter();\r
-  if (ok) ok = ok & createProductionPattern();\r
-  delete evaluator;\r
-  return ok;\r
+void FunctionalBlock::createPatterns() throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createPatterns()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  cout << "create patterns for block " << qPrintable(name) << endl;\r
+  if (evaluator == NULL) evaluator = new ArithmeticEvaluator();\r
+  bool ok = true;  \r
+  if (! isGeneratorBlock()) {\r
+    try {\r
+      createDelta();\r
+      createConsumptionPattern();    \r
+      createProductionCounter();\r
+    }\r
+    catch(Exception e) {\r
+      throw(e); // rethrow e\r
+    }\r
+  }\r
+  try {\r
+    createProductionPattern();\r
+  }\r
+  catch(Exception e) {\r
+    throw(e);\r
+  }  \r

 }\r
 \r
 }\r
 \r

-bool FunctionalBlock::createDelta() {\r
-  QString delta = implementation->getDelta();\r
-  cout << "delta for " << qPrintable(name) << " = " << qPrintable(delta) << endl;\r
+void FunctionalBlock::createDelta() throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createDelta()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif \r
+  \r
+  QString deltaStr = implementation->getDelta();  \r
+  cout << "delta for " << qPrintable(name) << " = " << qPrintable(deltaStr) << endl;\r
+  if (deltaStr.isEmpty()) {\r
+    delta = -1;\r
+    return;\r
+  }\r

   \r
   // look for parameter names\r
   \r
   // look for parameter names\r

+  bool ok = true;\r
+  double result = 0;\r
+  try {\r
+    result = evaluateExpression(deltaStr);\r
+  }\r
+  catch(Exception e) {\r
+    throw(e);\r
+  }\r
+  delta = result;\r
+  cout << "delta = " << delta << endl;\r
+}\r
+\r
+void FunctionalBlock::createConsumptionPattern()  throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createConsumptionPattern()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  lengthCP = -1;\r
+  bool ok = true; \r
+  QHash<QString,QString> consPattern = implementation->getConsumptionPattern();  \r
+  \r
+  foreach(AbstractInterface* iface, getControlInputs()) {       \r
+    FunctionalInterface* connIface = AI_TO_FUN(iface);\r
+    QString refName = connIface->getReference()->getName();    \r
+    if (! consPattern.contains(refName)) {\r
+      throw(Exception(NO_IFACE_CP));\r
+      cerr << "no consumption pattern for reference interface " << qPrintable(refName) << endl;\r
+    }\r
+    QList<char>* pattern = NULL;\r
+    try {\r
+      pattern = expandPattern(consPattern.value(refName));\r
+    }\r
+    catch(Exception e) {\r
+      throw(e);\r
+    }\r
+    consumptionPattern.insert(connIface,pattern);\r
+    if (lengthCP == -1) {\r
+      lengthCP = pattern->size();\r
+    }\r
+    else {\r
+      if (pattern->size() != lengthCP) {\r
+        throw(Exception(INVALID_IFACE_CP_LENGTH));\r
+      }\r
+    }\r
+  }          \r
+}\r
+\r
+void FunctionalBlock::createProductionPattern() throw(Exception){  \r
+  static QString fctName = "FunctionalBlock::createProductionPattern()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  lengthPP = -1;  \r
+  QHash<QString,QString> prodPattern = implementation->getProductionPattern();  \r
+  \r
+  foreach(AbstractInterface* iface, getControlOutputs()) {    \r
+    FunctionalInterface* connIface = AI_TO_FUN(iface);\r
+    QString refName = connIface->getReference()->getName();    \r
+    if (! prodPattern.contains(refName)) {\r
+      throw(Exception(NO_IFACE_PP));      \r
+    }\r
+    QList<char>* pattern = NULL;\r
+    try {\r
+      pattern = expandPattern(prodPattern.value(refName));\r
+    }\r
+    catch(Exception e) {\r
+      throw(e);\r
+    }\r
+    productionPattern.insert(connIface,pattern);\r
+    if (lengthPP == -1) {\r
+      lengthPP = pattern->size();\r
+    }\r
+    else {\r
+      if (pattern->size() != lengthPP) {\r
+        throw(Exception(INVALID_IFACE_PP_LENGTH));\r
+      }\r
+    }\r
+  }      \r
+}\r
+\r
+void FunctionalBlock::createProductionCounter() throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createProductionCounter()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  QStringList counterParts = implementation->getProductionCounter().split(",");\r
+  foreach(QString s, counterParts) {\r
+    cout << "cont part = " << qPrintable(s) << endl;\r
+    bool ok;\r
+    double val = s.toDouble(&ok);\r
+    if (ok) {\r
+      productionCounter.append(val);\r
+    }\r
+    else if (s.at(0) == '{') {\r
+      s.remove(0,1);\r
+      s.chop(1);\r
+      QStringList gen = s.split(":");\r
+      if (gen.size() != 3) {\r
+        throw(Exception(INVALID_IFACE_PC));\r
+      }\r
+      int start = 0;\r
+      int nb = 0;\r
+      int step = 0;\r
+      for(int i=0;i<3;i++) {        \r
+        double result = 0.0;\r
+        try {\r
+          result = evaluateExpression(gen.at(i));\r
+        }\r
+        catch(Exception e) {\r
+          throw(e);\r
+        }\r
+        if (i==0) start = result;\r
+        else if (i==1) nb = result;\r
+        else if (i==2) step = result;\r
+      }\r
+      for(int j=0;j<nb;j++) {\r
+        productionCounter.append(start+j*step);\r
+      }\r
+    }\r
+    else {      \r
+      double result = 0.0;\r
+      try {\r
+        result = evaluateExpression(s);\r
+      }\r
+      catch(Exception e) {\r
+        throw(e);\r
+      }\r
+      productionCounter.append(result);      \r
+    }\r
+  }\r
+  foreach(int val, productionCounter) {\r
+    cout << val << ",";\r
+  }\r
+  cout << endl;\r
+}\r
+\r
+QList<char>* FunctionalBlock::expandPattern(const QString& patternIn) throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::expandPattern()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  QList<char> lst;\r
+  QString  p = patternIn;\r
+  p.append(')');\r
+  int offset = 0;  \r
+  QList<char>* patternOut = new QList<char>();\r
+  try {\r
+    expandPatternRecur(p,&offset, patternOut); \r
+  }\r
+  catch(Exception e) {\r
+    throw(e);\r
+  }\r
+\r
+  return patternOut;\r
+}\r
+\r
+void FunctionalBlock::expandPatternRecur(const QString& patternIn, int *offset, QList<char>* patternOut) throw(Exception) {  \r
+  \r
+  while ((*offset < patternIn.size()) && (patternIn.at(*offset) != ')')) {\r
+    \r
+    QChar c = patternIn.at(*offset);\r
+    if (c == '(') {\r
+      *offset += 1;\r
+      try {\r
+        expandPatternRecur(patternIn,offset, patternOut);\r
+      }\r
+      catch(Exception e) {\r
+        throw(e);\r
+      }\r
+    }\r
+    else if (c == '0') {\r
+      patternOut->append(0);\r
+    }\r
+    else if (c == '1') {\r
+      patternOut->append(1);\r
+    }\r
+    else if (c == 'X') {\r
+      patternOut->append(-1);\r
+    }\r
+    else if (c == '{') {\r
+      *offset += 1;\r
+      QString expr = "";      \r
+      while ((*offset < patternIn.size()) && (patternIn.at(*offset) != '}')) {\r
+        expr += patternIn.at(*offset);        \r
+        *offset += 1;\r
+      }\r
+      if (*offset == patternIn.size()) {\r
+        throw(Exception(INVALID_IFACE_PATTERN));\r
+      }\r
+      double repeat = 0;\r
+      try {\r
+        repeat = evaluateExpression(expr);\r
+      }\r
+      catch(Exception e) {\r
+        throw(e);\r
+      }\r
+      // repeat just the last value in currentGroup\r
+      char last = patternOut->last();      \r
+      //cout << "repeat last char " << repeat << " times : " << (int)last << endl;\r
+      \r
+      for(int i=1;i<(int)repeat;i++) {\r
+        patternOut->append(last);\r
+      }\r
+    }    \r
+    *offset += 1;\r
+  }\r
+  \r
+  // must check if after ), there is a {\r
+  if ((*offset < patternIn.size()-1) && (patternIn.at(*offset+1) == '{')) {\r
+    *offset += 2;\r
+    QString expr = "";      \r
+    while ((*offset < patternIn.size()) && (patternIn.at(*offset) != '}')) {\r
+      expr += patternIn.at(*offset);        \r
+      *offset += 1;\r
+    }\r
+    if (*offset == patternIn.size()) {\r
+      throw(Exception(INVALID_IFACE_PATTERN));\r
+    }\r
+    double repeat = 0;\r
+    try {\r
+      repeat = evaluateExpression(expr);\r
+    }\r
+    catch(Exception e) {\r
+      throw(e);\r
+    }\r
+    /*\r
+    cout << "repeat last group " << repeat << " times : ";\r
+    foreach (char c, currentGroup) cout <<(int)c;\r
+    cout << endl;  \r
+    */\r
+    QList<char> single = *patternOut;\r
+    for(int i=1;i<(int)repeat;i++) {\r
+      patternOut->append(single);\r
+    }    \r
+  }  \r
+}\r
+\r
+double FunctionalBlock::evaluateExpression(const QString& expression) throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::evaluateExpression()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+    \r

   QHash<QString,double> vars;\r
   QHash<QString,double> vars;\r

-  QRegularExpression re("[$][a-zA-Z0-9_]+");\r
-  QRegularExpressionMatchIterator matcher = re.globalMatch(delta);\r
-  while(matcher.hasNext()) {\r
-    QRegularExpressionMatch m = matcher.next();\r
-    QString var = m.captured(0);\r
-    cout << qPrintable(var) << endl;\r
-    vars.insert(var,0.0);    \r
-  }\r
-  QHashIterator<QString,double> iterV(vars);\r
-  while (iterV.hasNext()) {\r
-    iterV.next();\r
-    QString var = iterV.key();\r
-    QString paramName = var.remove(0,1);\r
-    BlockParameter* param = reference->getParameterFromName(paramName);\r
-    cout << "param = " << qPrintable(param->getStringValue()) << endl;\r
+  evaluator->setExpression(expression);\r
+  QList<QString> varNames = evaluator->getVariableNames();\r
+  foreach (QString name, varNames) {\r
+    QString paramName = name;\r
+    paramName.remove(0,1);\r
+    BlockParameter* param = reference->getParameterFromName(paramName);    \r

     if (param == NULL) {\r
     if (param == NULL) {\r

-      cerr << "found an unknown parameter in delta"<< endl;\r
-      return false;\r
+      throw(Exception(EVAL_PARAM_UNKNOWN));\r

     }\r
     }\r

-    bool ok;\r
-    int val = param->getIntValue(&ok);\r
-    vars.insert(var,(double)val);\r
+    bool okVal;\r
+    int val = param->getDoubleValue(&okVal);\r
+    if (!okVal) {\r
+      throw(Exception(EVAL_PARAM_NOVALUE));      \r
+    }\r
+    vars.insert(name,(double)val);    \r

   }\r
   }\r

-  cout << "set expr " << endl;\r
-  evaluator->setExpression(delta);\r
-  cout << "set vars " << endl;\r
+  \r

   evaluator->setVariablesValue(vars);\r
   evaluator->setVariablesValue(vars);\r

-  double result = evaluator->evaluate();\r
-  cout << "delta = " << result << endl;\r
-   \r
-  return true;\r
+  double result = 0.0;\r
+  try {\r
+    result = evaluator->evaluate();\r
+  }\r
+  catch(int index) {\r
+    cerr << "Error at index " << index << ": " << qPrintable(evaluator->getError()) << endl;\r
+    throw(Exception(EVAL_INVALID_EXPR));\r
+  }\r
+  return result;\r

 }\r
 \r
 }\r
 \r

-bool FunctionalBlock::createConsumptionPattern() {\r
-  return true;\r
+void FunctionalBlock::createInputPattern()  throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createInputPattern())";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  lengthIP = -1;\r
+  foreach(AbstractInterface* iface, getControlInputs()) {      \r
+    ConnectedInterface* connIface = AI_TO_CON(iface);\r
+    QList<char>* out = connIface->getConnectedFrom()->getOutputPattern();\r
+    if (out->size() == 0) {\r
+      clearInputPattern();\r
+      throw(Exception(NO_IFACE_IP));\r
+    }\r
+    if (lengthIP == -1) {\r
+      lengthIP = out->size();\r
+    }\r
+    else {\r
+      if (out->size() < lengthIP) lengthIP = out->size();\r
+    }\r
+    \r
+    QList<char>* in = new QList<char>(*out);\r
+    foreach(char c, *in) {\r
+      cout << (int)c;\r
+    }\r
+    cout << endl;    \r
+    inputPattern.insert(connIface,in);    \r
+  }\r
+  // search the last valid group in IP,\r
+  while(! isValidDataGroup(inputPattern,lengthIP-1)) {\r
+    //removeDataGroup(inputPattern,lengthIP-1);\r
+    lengthIP -= 1;\r
+  }\r

 }\r
 \r
 }\r
 \r

-bool FunctionalBlock::createProductionPattern() {\r
-  return true;\r
+void FunctionalBlock::createAdmittance(int nbExec) throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::createAdmittance()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  bool ok = true;\r
+  // firstly, copy CP in AP\r
+  QMapIterator<AbstractInterface*,QList<char>* > iterC(consumptionPattern);\r
+  while (iterC.hasNext()) {\r
+    iterC.next();\r
+    QList<char>* pattern = new QList<char>(*(iterC.value()));\r
+    admittance.insert(iterC.key(), pattern);    \r
+  }\r
+  lengthAP = lengthCP;\r
+  int clock = 0;  \r
+  cout << "trigger 1 at c.c. 0" << endl;\r
+  for(int i=1;i<nbExec;i++) {\r
+    // searching for the clock cycle for which a new exec starts\r
+    int nbGroup = 0;\r
+    while ((clock < lengthAP) && (nbGroup < delta)) {\r
+      if (isValidDataGroup(admittance,clock)) nbGroup+=1;\r
+      clock += 1;\r
+    }\r
+    while ((clock < lengthAP) && (! isValidDataGroup(admittance,clock))) clock+=1;\r
+    cout << "trigger " << (i+1) << " at c.c. " << clock << endl;\r
+    int sc = clock;\r
+    // combine CP with AP at sc\r
+    for(int j=0;j<lengthCP;j++) {\r
+      // first case : column of CP must be placed beyond AP's end.\r
+      if (sc == lengthAP) {\r
+        cout << i << "," << j << " append in AP at " << sc << endl;\r
+        appendToPattern(consumptionPattern,j,admittance,1);\r
+        lengthAP += 1;\r
+        sc += 1;              \r
+      }\r
+      // second case : CP and AP can be combined directly (i.e. no X | 1 to do)\r
+      else if (canCombinePatterns(consumptionPattern,j,admittance,sc)) {\r
+        cout << i << "," << j << " combine at " << sc << endl;\r
+        combinePatterns(consumptionPattern,j,admittance,sc);\r
+        sc += 1;\r
+      }\r
+      // third case : CP has an X column\r
+      else if (isOnlyXDataGroup(consumptionPattern,j)) {\r
+        cout << i << "," << j << " shift rigth AP to combine at " << sc << endl;\r
+        shiftRightPattern(admittance,sc);\r
+        lengthAP += 1;\r
+        if (! canCombinePatterns(consumptionPattern,j,admittance,sc)) {\r
+          cerr << "Abnormal case when combining AP and CP" << endl;\r
+        }\r
+        combinePatterns(consumptionPattern,j,admittance,sc);        \r
+        sc += 1;\r
+      }\r
+      // fourth case : AP has an X column\r
+      else if (isOnlyXDataGroup(admittance,sc)) {\r
+        cout << i << "," << j << " jump c.c. for CP at " << sc << endl;        \r
+        sc += 1;\r
+        j -= 1;\r
+      }\r
+      else {\r
+        throw(INVALID_DELTA_CP);        \r
+      }\r
+    }\r
+  }\r
+  // turn all X into 0\r
+  QMapIterator<AbstractInterface*,QList<char>* > iterA(admittance);\r
+  while (iterA.hasNext()) {\r
+    iterA.next();\r
+    QList<char>* pattern = iterA.value();\r
+    for(int i=0;i<pattern->size();i++) {\r
+      if (pattern->at(i) == -1) pattern->replace(i,0);\r
+      cout << (int)(pattern->at(i));\r
+    }\r
+    cout << endl;\r
+  }  \r

 }\r
 \r
 }\r
 \r

-bool FunctionalBlock::createProductionCounter() {\r
-  return true;\r
+void FunctionalBlock::checkInputPatternCompatibility() throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::checkInputPatternCompatibility()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+  \r
+  bool ok = true;\r
+  // firstly, create input pattern\r
+  try {\r
+    createInputPattern();\r
+  }\r
+  catch(Exception e) {\r
+    throw(e);\r
+  }\r
+  int nbExec = createTriggers();\r
+  cout << qPrintable(name) << " will exec. " << nbExec << " times." << endl;\r
+  \r
+  try {\r
+    createAdmittance(nbExec);\r
+  }\r
+  catch(Exception e) {\r
+    cout << "cannot create admittance" << endl;\r
+    throw(e);\r
+  }\r
+  \r
+  int clock = 0; // index in IP  \r
+  int i = 0; // index in AP  \r
+  while ((clock < lengthIP) && (i < lengthAP)) {\r
+     \r
+    // if AP is a valid group, search for the next valid group in IP\r
+    if (isValidDataGroup(admittance,i)) {\r
+      while ((clock < lengthIP) && (! isValidDataGroup(inputPattern,clock))) clock++;\r
+      if (clock == lengthIP) {\r
+        cerr << "Abnormal case: end of IP has been reached without finding a valid group" << endl;\r
+        throw(Exception(IP_END_NULLCOL));        \r
+      }\r
+    }    \r
+    /* at that point 2 cases of compat : IP(clock) and AP(i) are equal valid group, or\r
+       are both null columns\r
+    */\r
+    if (! samePatterns(inputPattern,clock,admittance,i)) {\r
+      cout << "AP(" << i << ") and IP(" << clock << ") are not equal" << endl;\r
+      throw(Exception(IP_AP_NOTCOMPAT)); // IP and AP not compatible\r
+    }\r
+    clock++;\r
+    i++;\r
+  }\r
+  if (clock < lengthIP) {\r
+    throw(Exception(AP_TOO_SHORT));\r
+    cerr << "Abnormal case: AP is to short" << endl;   \r
+  }  \r

 }\r
 \r
 }\r
 \r

-bool FunctionalBlock::computeOutputPattern(int nbExec) {\r
+void FunctionalBlock::computeOutputPattern(int nbExec) throw(Exception) {\r
+  static QString fctName = "FunctionalBlock::computeOutputPattern()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r

   \r
   /* case 1: the block is a generator for which output pattern\r
      must be computed for a nbExec following executions\r
   */\r
   \r
   \r
   /* case 1: the block is a generator for which output pattern\r
      must be computed for a nbExec following executions\r
   */\r
   \r

+  \r

   if (nbExec > 0) {\r
   if (nbExec > 0) {\r

+    cout << "computing output pattern of " << qPrintable(name) << " for " << nbExec << " executions" << endl;\r

     foreach(AbstractInterface* iface, getControlOutputs()) {\r
     foreach(AbstractInterface* iface, getControlOutputs()) {\r

-      QList<char> pattern;\r
-      for(int i=0;i<nbExec;i++) pattern += iface->getProductionPattern();\r
-      iface->setOutputPattern(pattern);\r
-    }    \r
+      FunctionalInterface* connIface = AI_TO_FUN(iface);\r
+      // create output pattern\r
+      QList<char>* pp = productionPattern.value(connIface);\r
+      QList<char>* pattern = new QList<char>(*pp);\r
+      for(int i=1;i<nbExec;i++) pattern->append(*pp);\r
+      // assign pattern to interface\r
+      connIface->setOutputPattern(pattern);\r
+      // store it in QMap\r
+      outputPattern.insert(connIface,pattern);      \r
+    }\r

   }\r
   else {\r
   }\r
   else {\r

-    // initialize consumption and production patterns\r
-    initConsumptionPattern();\r
-    initProductionPattern();\r
+    cout << "computing output pattern of " << qPrintable(name) << endl;\r

     \r
     \r

-    // collect the input patterns for each input    \r
-    char** inputPattern = NULL;\r
-    int idIface = 0;\r
-    inputPattern = new char*[nbConsumingPorts];\r
-    int minLen = -1;\r
-    foreach(AbstractInterface* iface, getControlInputs()) {      \r
-      QList<char> in = iface->getConnectedFrom()->getOutputPattern();\r
-      if (minLen == -1) {\r
-        minLen = in.size();\r
+    // in case of inputPattern not created, do it\r
+    if (lengthIP <= 0) {\r
+      // collect the input patterns for each input    \r
+      try {\r
+        createInputPattern();\r

       }\r
       }\r

-      else {\r
-        if (in.size() < minLen) minLen = in.size();\r
-      }\r
-      if (in.size() > 0) {\r
-        inputPattern[idIface] = new char[in.size()];\r
-        int i = 0;\r
-        foreach(char c, in) inputPattern[idIface][i++] = c;\r
-      }\r
-      else {\r
-        inputPattern[idIface] = NULL;\r
-      }\r
-      idIface += 1;      \r
-    }\r
-    // if some patterns are not available, ens now, returning false\r
-    if (minLen == 0) {\r
-      for(int i=0;i<nbConsumingPorts; i++) {\r
-        if (inputPattern[i] != NULL) delete [] inputPattern[i];\r
+      catch(Exception e) {\r
+        throw(e);\r

       }\r
       }\r

-      delete [] inputPattern;\r
-      return false;\r
+      cout << "input pattern array initialized with min. len " << lengthIP << endl;\r

     }\r
     }\r

+    \r

     // initialize the output pattern    \r
     // initialize the output pattern    \r

-    char** outputPattern = NULL;\r
-    outputPattern = new char*[nbProducingPorts];\r
-    int lengthOP = 0;\r
-    idIface = 0;\r
+    lengthOP = 0;\r

     foreach(AbstractInterface* iface, getControlOutputs()) {\r
     foreach(AbstractInterface* iface, getControlOutputs()) {\r

-      lengthOP = minLen+iface->getProductionPattern().size();\r
-      outputPattern[idIface] = new char[lengthOP];\r
-      memset(outputPattern[idIface],0,lengthOP);\r
-      idIface += 1;\r
+      FunctionalInterface* connIface = AI_TO_FUN(iface);      \r
+      lengthOP = lengthIP+productionPattern.value(connIface)->size();\r
+      QList<char>* pattern = new QList<char>();\r
+      for(int i=0;i<lengthOP;i++) pattern->append(0);\r
+      connIface->setOutputPattern(pattern);\r
+      outputPattern.insert(connIface,pattern);\r

     }\r
     }\r

+    cout << "output pattern array initialized" << endl;\r

     \r
     int clock = 0;\r
     nbExec = 0;\r
     // search for the beginning of the first execution.\r
     \r
     int clock = 0;\r
     nbExec = 0;\r
     // search for the beginning of the first execution.\r

-    while (! isValidDataGroup(inputPattern,nbConsumingPorts,clock)) clock++;\r
+    while ((clock < lengthIP) && (! isValidDataGroup(inputPattern,clock))) clock++;\r
+    cout << "found 1st exec clock: " << clock << endl;\r

     \r
     \r

-    while (clock < minLen) {\r
+    while (clock < lengthIP) {\r

       // initialize counters for current execution.\r
       int p = 0; // index in production pattern\r
       int o = 0; // clock+o will give the clock cycle of each output group\r
       // initialize counters for current execution.\r
       int p = 0; // index in production pattern\r
       int o = 0; // clock+o will give the clock cycle of each output group\r


@@ -252,15 +670,15 @@ bool FunctionalBlock::computeOutputPattern(int nbExec) {
       bool cannotCompleteExec = false;\r
       for(int m=0;m<productionCounter.size();m++) {\r
         // search for the first production in PP\r
       bool cannotCompleteExec = false;\r
       for(int m=0;m<productionCounter.size();m++) {\r
         // search for the first production in PP\r

-        while (!isValidDataGroup(productionPattern,nbProducingPorts,p)) {\r
+        while (!isValidDataGroup(productionPattern,p)) {\r

           p += 1;\r
           o += 1;\r
         }\r
         int gap = 0; // count the number of extra null columns\r
         // search for PC(m) valid input group in IP\r
         while (nip < productionCounter.at(m)) {\r
           p += 1;\r
           o += 1;\r
         }\r
         int gap = 0; // count the number of extra null columns\r
         // search for PC(m) valid input group in IP\r
         while (nip < productionCounter.at(m)) {\r

-          if (clock+cip < minLen) {\r
-            if (isValidDataGroup(inputPattern,nbConsumingPorts,clock+cip)) nip += 1;\r
+          if (clock+cip < lengthIP) {\r
+            if (isValidDataGroup(inputPattern,clock+cip)) nip += 1;\r

             cip += 1;\r
             gap += 1;\r
           }\r
             cip += 1;\r
             gap += 1;\r
           }\r


@@ -268,18 +686,18 @@ bool FunctionalBlock::computeOutputPattern(int nbExec) {
             cannotCompleteExec = true;\r
             break;\r
           }        \r
             cannotCompleteExec = true;\r
             break;\r
           }        \r

-        }\r
+        }        \r

         \r
         if (cannotCompleteExec) break; // no need to go further since the next search of input data group will lead to go outside inputPattern\r
         \r
         // search for PC(m) valid input group in IP\r
         while (ncp < productionCounter.at(m)) {\r
         \r
         if (cannotCompleteExec) break; // no need to go further since the next search of input data group will lead to go outside inputPattern\r
         \r
         // search for PC(m) valid input group in IP\r
         while (ncp < productionCounter.at(m)) {\r

-          if (isValidDataGroup(consumptionPattern,nbConsumingPorts,ccp)) cip += 1;\r
+          if (isValidDataGroup(consumptionPattern,ccp)) ncp += 1;\r

           ccp += 1;\r
           gap -= 1;\r
         }\r
         o += gap; // to take into acocunt of extra null columns\r
           ccp += 1;\r
           gap -= 1;\r
         }\r
         o += gap; // to take into acocunt of extra null columns\r

-        combinePatterns(productionPattern,p,outputPattern,clock+o,1,nbProducingPorts);\r
+        combinePatterns(productionPattern,p,outputPattern,clock+o);\r

         p += 1;\r
         o += 1;\r
       }\r
         p += 1;\r
         o += 1;\r
       }\r


@@ -292,101 +710,187 @@ bool FunctionalBlock::computeOutputPattern(int nbExec) {
       // search for the next exec.\r
       clock += 1;      \r
       nip = 0;\r
       // search for the next exec.\r
       clock += 1;      \r
       nip = 0;\r

-      while ((clock < minLen) && (nip < delta)) {\r
-        if (isValidDataGroup(inputPattern,nbConsumingPorts,clock)) nip += 1;\r
+      while ((clock < lengthIP) && (nip < delta)) {\r
+        if (isValidDataGroup(inputPattern,clock)) nip += 1;\r

         if (nip < delta) clock += 1;\r
       }\r
         if (nip < delta) clock += 1;\r
       }\r

+      cout << "found exec " << nbExec << " at clock: " << clock << endl;\r

     }\r
     // find the last valid output data group\r
     }\r
     // find the last valid output data group\r

-    while(! isValidDataGroup(outputPattern,nbProducingPorts,lengthOP-1)) lengthOP -= 1;\r
-    \r
-    // copy back outputPattern info each interface\r
-    idIface = 0;\r
-    foreach(AbstractInterface* iface, getControlOutputs()) {\r
-      QList<char> pattern;\r
-      for(int i=0;i<lengthOP;i++) pattern.append(outputPattern[idIface][i]);\r
-      iface->setOutputPattern(pattern);      \r
-      idIface += 1;\r
-    }\r
-    \r
-    // clear inputPattern and outputPattern\r
-    for(int i=0;i<nbConsumingPorts; i++) {\r
-      delete [] inputPattern[i];\r
-    }\r
-    delete [] inputPattern;\r
-    for(int i=0;i<nbProducingPorts; i++) {\r
-      delete [] outputPattern[i];\r
+    while(! isValidDataGroup(outputPattern,lengthOP-1)) {\r
+      removeDataGroup(outputPattern,lengthOP-1);\r
+      lengthOP -= 1;\r

     }\r
     }\r

-    delete [] outputPattern;\r
+\r
+    // clear input pattern\r
+    clearInputPattern();\r
+  }  \r
+}\r
+\r
+bool FunctionalBlock::samePatterns(const QMap<AbstractInterface*, QList<char>* >& patternSrc, int srcCol, const QMap<AbstractInterface*, QList<char>* >& patternDest, int destCol) {\r
+  \r
+  if (patternSrc.size() != patternDest.size()) return false;\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(patternSrc);\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterDest(patternDest);\r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();\r
+    iterDest.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    QList<char>* destPat = iterDest.value();\r
+    if (srcCol >= srcPat->size()) return false;\r
+    if (destCol >= destPat->size()) return false;\r
+    if (srcPat->at(srcCol) != destPat->at(destCol)) return false;    \r

   }\r
   return true;\r
 }\r
 \r
   }\r
   return true;\r
 }\r
 \r

-bool FunctionalBlock::isValidDataGroup(char** pattern, int nbPorts, int clock) {\r
-  \r
-  for(int i=0;i<nbPorts;i++) {\r
-    if (pattern[i][clock] == 1) return true;\r
+bool FunctionalBlock::canCombinePatterns(const QMap<AbstractInterface*, QList<char>* >& patternSrc, int srcCol, QMap<AbstractInterface*, QList<char>* > patternDest, int destCol) {\r
+  if (patternSrc.size() != patternDest.size()) return false;\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(patternSrc);\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterDest(patternDest);\r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();\r
+    iterDest.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    QList<char>* destPat = iterDest.value();\r
+    if (srcCol >= srcPat->size()) return false;\r
+    if (destCol >= destPat->size()) return false;\r
+    if ((srcPat->at(srcCol) == -1) && (destPat->at(destCol) == 1)) return false;\r
+    if ((srcPat->at(srcCol) == 1) && (destPat->at(destCol) == -1)) return false;\r

   }\r
   }\r

-  return false;  \r
+  return true;\r

 }\r
 \r
 }\r
 \r

-void FunctionalBlock::combinePatterns(char** patternSrc, int srcCol, char** patternDest, int destCol, int nbCols, int nbPorts ) {\r
-  \r
-  for (int i=0;i<nbCols;i++) {\r
-    for(int j=0;j<nbPorts;j++) {\r
-      patternDest[j][destCol+i] = patternDest[j][destCol+i] | patternSrc[j][srcCol+i];\r
+void FunctionalBlock::combinePatterns(const QMap<AbstractInterface*, QList<char>* >& patternSrc, int srcCol, QMap<AbstractInterface*, QList<char>* > patternDest, int destCol) {\r
+  if (patternSrc.size() != patternDest.size()) return;\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(patternSrc);\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterDest(patternDest);\r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();\r
+    iterDest.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    QList<char>* destPat = iterDest.value();\r
+    if (srcCol >= srcPat->size()) return;\r
+    if (destCol >= destPat->size()) return;\r
+    if ((srcPat->at(srcCol) == -1) && (destPat->at(destCol) == 1)) return;\r
+    if ((srcPat->at(srcCol) == 1) && (destPat->at(destCol) == -1)) return;    \r
+    destPat->replace(destCol,destPat->at(destCol) | srcPat->at(srcCol));\r
+  }  \r
+}\r
+\r
+void FunctionalBlock::appendToPattern(const QMap<AbstractInterface*, QList<char>* >& patternSrc, int srcCol, QMap<AbstractInterface*, QList<char>* > patternDest, int nbCols) {\r
+  if (patternSrc.size() != patternDest.size()) return;\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(patternSrc);\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterDest(patternDest);\r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();\r
+    iterDest.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    QList<char>* destPat = iterDest.value();    \r
+    int i=0;\r
+    while ((srcCol+i < srcPat->size()) && (i<nbCols)) {\r
+      destPat->append(srcPat->at(srcCol+i));\r
+      i++;\r
+    }\r
+  }  \r
+}\r
+\r
+void FunctionalBlock::removeDataGroup(QMap<AbstractInterface *, QList<char> *> &pattern, int offset) {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(pattern);  \r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    if (offset < srcPat->size()) {\r
+      srcPat->removeAt(offset);\r

     }\r
   }\r
     }\r
   }\r

-  \r

 }\r
 \r
 }\r
 \r

-void FunctionalBlock::clearConsumptionPattern() {\r
-  if (consumptionPattern == NULL) return;\r
-  \r
-  for(int i=0;i<nbConsumingPorts; i++) {\r
-    delete [] consumptionPattern[i];\r
+void FunctionalBlock::shiftRightPattern(const QMap<AbstractInterface *, QList<char> *> &pattern, int offset) {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(pattern);  \r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    if (offset < srcPat->size()) {\r
+      srcPat->insert(offset,0);\r
+    }\r

   }\r
   }\r

-  delete [] consumptionPattern;      \r

 }\r
 \r
 }\r
 \r

-void FunctionalBlock::clearProductionPattern() {\r
-  if (productionPattern == NULL) return;\r
-  for(int i=0;i<nbProducingPorts;i++) {\r
-    delete [] productionPattern[i];\r
+bool FunctionalBlock::isValidDataGroup(const QMap<AbstractInterface *, QList<char> *> &pattern, int offset) {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(pattern);  \r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    if (offset >= srcPat->size()) return false;\r
+    if (srcPat->at(offset) == 1) return true;\r

   }\r
   }\r

-  delete [] productionPattern;\r
+  return false;\r

 }\r
 \r
 }\r
 \r

-void FunctionalBlock::initConsumptionPattern() {\r
-  if (consumptionPattern != NULL) clearConsumptionPattern();\r
-  \r
-  nbConsumingPorts = getControlInputs().size();  \r
-  int idIface = 0;\r
-  consumptionPattern = new char*[nbConsumingPorts];  \r
-  foreach(AbstractInterface* iface, getControlInputs()) {\r
-    \r
-    QList<char> in = iface->getConsumptionPattern();\r
-    lengthCP = in.size(); // normally, all inputs have the same lenght for CP\r
-    consumptionPattern[idIface] = new char[lengthCP];\r
-    int i = 0;\r
-    foreach(char c, in) consumptionPattern[idIface][i++] = c;\r
-    idIface += 1;    \r
+bool FunctionalBlock::isOnlyXDataGroup(const QMap<AbstractInterface *, QList<char> *> &pattern, int offset) {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterSrc(pattern);  \r
+  while (iterSrc.hasNext()) {\r
+    iterSrc.next();    \r
+    QList<char>* srcPat = iterSrc.value();\r
+    if (offset >= srcPat->size()) return false;\r
+    if (srcPat->at(offset) != -1) return false;\r

   }\r
   }\r

+  return true;  \r

 }\r
 \r
 }\r
 \r

-void FunctionalBlock::initProductionPattern() {\r
-  if (productionPattern != NULL) clearProductionPattern();\r
+void FunctionalBlock::clearConsumptionPattern() {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterP(consumptionPattern);  \r
+  while (iterP.hasNext()) {\r
+    iterP.next();\r
+    QList<char>* pattern = iterP.value();\r
+    if (pattern != NULL) delete pattern;\r
+  }\r
+  consumptionPattern.clear();\r
+  lengthCP = -1;      \r
+}  \r
+\r
+void FunctionalBlock::clearProductionPattern() {\r
+  QMapIterator<AbstractInterface*, QList<char>* > iterP(productionPattern);  \r
+  while (iterP.hasNext()) {\r
+    iterP.next();\r
+    QList<char>* pattern = iterP.value();\r
+    if (pattern != NULL) delete pattern;\r
+  }\r
+  productionPattern.clear();\r
+  lengthPP = -1;\r
+}  \r
+\r
+void FunctionalBlock::clearInputPattern() {\r

   \r
   \r

-  nbProducingPorts = getControlOutputs().size();  \r
-  int idIface = 0;\r
-  productionPattern = new char*[nbProducingPorts];  \r
-  foreach(AbstractInterface* iface, getControlOutputs()) {\r
-    \r
-    QList<char> in = iface->getProductionPattern();\r
-    lengthPP = in.size(); // normally, all inputs have the same lenght for PP\r
-    productionPattern[idIface] = new char[lengthPP];\r
-    int i = 0;\r
-    foreach(char c, in) productionPattern[idIface][i++] = c;\r
-    idIface += 1;    \r
+  QMapIterator<AbstractInterface*,QList<char>* > iterI(inputPattern);\r
+  while (iterI.hasNext()) {\r
+    iterI.next();\r
+    QList<char>* pattern = iterI.value();\r
+    if (pattern != NULL) delete pattern;\r

   }\r
   }\r

+  inputPattern.clear();\r
+  lengthIP = -1;\r
+}\r
+\r
+int FunctionalBlock::createTriggers() {\r
+  triggers.clear();\r
+  /* NB: this method returns the number of executions that have been started\r
+     but not necessary completed.\r
+  */\r
+  if (delta <= 0) return 0;  \r
+  int offset = 0;\r
+  // search for the first exec.\r
+  while ((offset < lengthIP) && (! isValidDataGroup(inputPattern,offset))) offset++;\r
+  if (offset == lengthIP) return 0;\r
+  triggers.append(offset);  \r
+  int nbGroup = 0;\r
+  for(int i = offset;i<lengthIP;i++) {\r
+    if (isValidDataGroup(inputPattern,i)) nbGroup++;\r
+    if (nbGroup == delta+1) {\r
+      triggers.append(i);\r
+      nbGroup = 1;\r
+    }\r
+  }      \r
+  return triggers.size();\r

 }\r
 }\r